Mr Tulloch has been Chairman of SA Power Networks and Victoria Power Networks Pty Ltd, as well as its subsidiaries CitiPower Pty Ltd and Powercor Australia Limited, since 2005. He was appointed as Chairman of Australian Gas Networks in 2014. He is also a Non-Executive Director of CK Life Sciences Int'l (Holdings) Inc.
Prior to moving to Australia in late 2002, Mr Tulloch worked for more than 30 years in banking in Asia. He was educated in Scotland and is a Fellow of the Institute of Canadian Bankers.